141640280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82349}}^1$

素因数の和:82403

約数の個数: 32

約数和(自身を含む): 326106000

約数和(自身を除く): 184465720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 82349, 164698, 329396, 411745, 658792, 823490, 1646980, 3293960, 3541007, 7082014, 14164028, 17705035, 28328056, 35410070, 70820140, 141640280]

約数ペア:

[(1, 141640280), (2, 70820140), (4, 35410070), (5, 28328056), (8, 17705035), (10, 14164028), (20, 7082014), (40, 3541007), (43, 3293960), (86, 1646980), (172, 823490), (215, 658792), (344, 411745), (430, 329396), (860, 164698), (1720, 82349)]